20092010JMRI GregMcCartney gpmccartney@gmail.com 1 2015-10-19 GPM Initial version of the signal set. 2 2016-01-26 GPM Corrected the aspect mapping to eliminate aspects not possible on this signal. N&W 1981 CPL Single Arm Absolute Mast Signal As described in the 1981 version of the Norfolk and Western Railroad Operating Rules. Appearances N&W absolute CPL mast signals Clear green dark Page 60 ../../../resources/icons/smallschematics/aspects/NW-1981/NW-CPL-1arm-absolute/rule-281.gif Approach yellow dark Page 63 ../../../resources/icons/smallschematics/aspects/NW-1981/NW-CPL-1arm-absolute/rule-285.gif Stop and Stay red lunar Page 66 ../../../resources/icons/smallschematics/aspects/NW-1981/NW-CPL-1arm-absolute/rule-292.gif Stop and Stay Stop and Stay Clear Clear Approach Diverging Clear Advance Approach Clear Diverging Clear Approach Diverging Approach Diverging Approach Approach Clear Diverging Approach Approach Slow Clear Approach Slow Approach Approach Restricting Approach Stop and Proceed Approach Stop and Stay Approach